// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use datafusion::dataframe::DataFrame as DfDataFrame;
use datafusion_expr::LogicalPlan;

/// DataFrame represents a logical set of rows with the same named columns.
/// Similar to a Pandas DataFrame or Spark DataFrame
#[derive(Clone)]
pub enum DataFrame {
    DataFusion(DfDataFrame),
}

impl DataFrame {
    pub fn into_logical_plan(self) -> LogicalPlan {
        match self {
            Self::DataFusion(dataframe) => dataframe.into_parts().1,
        }
    }
}
